Elastic and conductive MWCNT/SBS nanocomposites as superior piezoresistive sensors

Herein conductive elastomers by homogeneous distribution of multi-walled carbon nanotubes (MWCNTs) in a styrene-co-butadiene-co-styrene (SBS) triblock copolymer matrix is reported. The inherent π–π stacking ensures nearly single-layer adsorption of the SBS molecules on the surfaces of MWCNTs, transl...

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Bibliographic Details
Published in:Micro & nano letters 2017-01, Vol.12 (1), p.17-19
Main Authors: Duan, Zhi-Qiang, Li, Tian-Peng, Yao, Kai, Xuan, Zhao-Long, Liu, Yi-Tao
Format: Article
Language:English
Subjects:
adsorption
computers
conducting polymers
conductive elastomers
conductive MWCNT‐SBS nanocomposite
elastic nanocomposite
Elastomers
Electronics
filled polymers
homogeneous multiwalled carbon nanotube distribution
inherent π‐π stacking
interfacial interactions
Mathematical analysis
Multi wall carbon nanotubes
MWCNT surfaces
Nanocomposites
nanofabrication
nanosensors
nearly single‐layer adsorption
piezoresistive devices
piezoresistive sensors
polymer blends
Sensors
styrene‐co‐butadiene‐co‐styrene triblock copolymer matrix
Surface chemistry
Touch
touch function
wearable electronics
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Summary:Herein conductive elastomers by homogeneous distribution of multi-walled carbon nanotubes (MWCNTs) in a styrene-co-butadiene-co-styrene (SBS) triblock copolymer matrix is reported. The inherent π–π stacking ensures nearly single-layer adsorption of the SBS molecules on the surfaces of MWCNTs, translating into reliable interfacial interactions. The resulting MWCNT/SBS nanocomposites are highly elastic and conductive. It is believed that this finding opens up a new way to fabricate conductive elastomers holding great promise as superior piezoresistive sensors that may integrate a ‘touch’ function in wearable electronics and computers.
ISSN:1750-0443
1750-0443
DOI:10.1049/mnl.2016.0578